./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product58.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f6fb2bb1 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec2_product58.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b6539c3f80a02f7679497281344dc3da1a82da6c ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-f6fb2bb [2019-11-19 18:57:30,780 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-19 18:57:30,782 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-19 18:57:30,802 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-19 18:57:30,803 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-19 18:57:30,805 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-19 18:57:30,807 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-19 18:57:30,821 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-19 18:57:30,823 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-19 18:57:30,826 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-19 18:57:30,827 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-19 18:57:30,829 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-19 18:57:30,830 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-19 18:57:30,831 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-19 18:57:30,832 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-19 18:57:30,834 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-19 18:57:30,835 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-19 18:57:30,836 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-19 18:57:30,838 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-19 18:57:30,840 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-19 18:57:30,842 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-19 18:57:30,843 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-19 18:57:30,845 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-19 18:57:30,846 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-19 18:57:30,848 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-19 18:57:30,849 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-19 18:57:30,849 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-19 18:57:30,850 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-19 18:57:30,850 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-19 18:57:30,851 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-19 18:57:30,852 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-19 18:57:30,853 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-19 18:57:30,854 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-19 18:57:30,854 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-19 18:57:30,856 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-19 18:57:30,856 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-19 18:57:30,857 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-19 18:57:30,857 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-19 18:57:30,858 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-19 18:57:30,859 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-19 18:57:30,860 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-19 18:57:30,860 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-19 18:57:30,875 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-19 18:57:30,876 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-19 18:57:30,877 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-19 18:57:30,877 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-19 18:57:30,878 INFO L138 SettingsManager]: * Use SBE=true [2019-11-19 18:57:30,878 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-19 18:57:30,878 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-19 18:57:30,879 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-19 18:57:30,879 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-19 18:57:30,879 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-19 18:57:30,879 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-19 18:57:30,880 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-19 18:57:30,880 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-19 18:57:30,880 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-19 18:57:30,881 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-19 18:57:30,881 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-19 18:57:30,881 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-19 18:57:30,881 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-19 18:57:30,882 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-19 18:57:30,882 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-19 18:57:30,882 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-19 18:57:30,883 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-19 18:57:30,883 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-19 18:57:30,883 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-19 18:57:30,883 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-19 18:57:30,884 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-19 18:57:30,884 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-19 18:57:30,884 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-19 18:57:30,885 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b6539c3f80a02f7679497281344dc3da1a82da6c [2019-11-19 18:57:31,204 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-19 18:57:31,217 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-19 18:57:31,221 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-19 18:57:31,223 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-19 18:57:31,223 INFO L275 PluginConnector]: CDTParser initialized [2019-11-19 18:57:31,224 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product58.cil.c [2019-11-19 18:57:31,294 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/87e74d512/146f1ac1ff314833931da2df1226c279/FLAG9115074a0 [2019-11-19 18:57:31,831 INFO L306 CDTParser]: Found 1 translation units. [2019-11-19 18:57:31,832 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product58.cil.c [2019-11-19 18:57:31,850 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/87e74d512/146f1ac1ff314833931da2df1226c279/FLAG9115074a0 [2019-11-19 18:57:32,121 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/87e74d512/146f1ac1ff314833931da2df1226c279 [2019-11-19 18:57:32,124 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-19 18:57:32,126 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-19 18:57:32,127 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-19 18:57:32,127 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-19 18:57:32,130 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-19 18:57:32,132 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 06:57:32" (1/1) ... [2019-11-19 18:57:32,135 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@728f4207 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:57:32, skipping insertion in model container [2019-11-19 18:57:32,135 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 06:57:32" (1/1) ... [2019-11-19 18:57:32,143 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-19 18:57:32,210 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-19 18:57:32,642 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 18:57:32,666 INFO L188 MainTranslator]: Completed pre-run [2019-11-19 18:57:32,772 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 18:57:32,808 INFO L192 MainTranslator]: Completed translation [2019-11-19 18:57:32,809 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:57:32 WrapperNode [2019-11-19 18:57:32,809 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-19 18:57:32,810 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-19 18:57:32,810 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-19 18:57:32,811 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-19 18:57:32,820 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:57:32" (1/1) ... [2019-11-19 18:57:32,839 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:57:32" (1/1) ... [2019-11-19 18:57:32,902 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-19 18:57:32,902 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-19 18:57:32,903 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-19 18:57:32,903 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-19 18:57:32,913 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:57:32" (1/1) ... [2019-11-19 18:57:32,914 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:57:32" (1/1) ... [2019-11-19 18:57:32,920 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:57:32" (1/1) ... [2019-11-19 18:57:32,920 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:57:32" (1/1) ... [2019-11-19 18:57:32,935 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:57:32" (1/1) ... [2019-11-19 18:57:32,945 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:57:32" (1/1) ... [2019-11-19 18:57:32,950 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:57:32" (1/1) ... [2019-11-19 18:57:32,957 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-19 18:57:32,957 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-19 18:57:32,958 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-19 18:57:32,958 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-19 18:57:32,959 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:57:32" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-19 18:57:33,044 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-19 18:57:33,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-19 18:57:33,045 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-19 18:57:33,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-19 18:57:33,995 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-19 18:57:33,995 INFO L285 CfgBuilder]: Removed 196 assume(true) statements. [2019-11-19 18:57:33,997 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 06:57:33 BoogieIcfgContainer [2019-11-19 18:57:33,997 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-19 18:57:33,999 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-19 18:57:33,999 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-19 18:57:34,002 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-19 18:57:34,002 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 06:57:32" (1/3) ... [2019-11-19 18:57:34,003 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a602b02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 06:57:34, skipping insertion in model container [2019-11-19 18:57:34,004 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:57:32" (2/3) ... [2019-11-19 18:57:34,004 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a602b02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 06:57:34, skipping insertion in model container [2019-11-19 18:57:34,004 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 06:57:33" (3/3) ... [2019-11-19 18:57:34,008 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product58.cil.c [2019-11-19 18:57:34,018 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-19 18:57:34,027 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-19 18:57:34,039 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-19 18:57:34,065 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-19 18:57:34,065 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-19 18:57:34,065 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-19 18:57:34,065 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-19 18:57:34,066 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-19 18:57:34,066 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-19 18:57:34,066 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-19 18:57:34,066 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-19 18:57:34,087 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2019-11-19 18:57:34,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-19 18:57:34,098 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 18:57:34,099 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 18:57:34,100 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 18:57:34,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 18:57:34,106 INFO L82 PathProgramCache]: Analyzing trace with hash -203441980, now seen corresponding path program 1 times [2019-11-19 18:57:34,115 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 18:57:34,116 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [970912805] [2019-11-19 18:57:34,117 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 18:57:34,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 18:57:34,358 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 18:57:34,360 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [970912805] [2019-11-19 18:57:34,361 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 18:57:34,362 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-19 18:57:34,364 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1830664675] [2019-11-19 18:57:34,371 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-19 18:57:34,372 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 18:57:34,387 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-19 18:57:34,388 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-19 18:57:34,390 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 2 states. [2019-11-19 18:57:34,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 18:57:34,432 INFO L93 Difference]: Finished difference Result 271 states and 408 transitions. [2019-11-19 18:57:34,433 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-19 18:57:34,434 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2019-11-19 18:57:34,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 18:57:34,448 INFO L225 Difference]: With dead ends: 271 [2019-11-19 18:57:34,449 INFO L226 Difference]: Without dead ends: 135 [2019-11-19 18:57:34,456 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-19 18:57:34,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2019-11-19 18:57:34,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 135. [2019-11-19 18:57:34,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2019-11-19 18:57:34,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 196 transitions. [2019-11-19 18:57:34,519 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 196 transitions. Word has length 18 [2019-11-19 18:57:34,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 18:57:34,520 INFO L462 AbstractCegarLoop]: Abstraction has 135 states and 196 transitions. [2019-11-19 18:57:34,520 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-19 18:57:34,520 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 196 transitions. [2019-11-19 18:57:34,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-19 18:57:34,521 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 18:57:34,522 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 18:57:34,522 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 18:57:34,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 18:57:34,523 INFO L82 PathProgramCache]: Analyzing trace with hash -422277949, now seen corresponding path program 1 times [2019-11-19 18:57:34,523 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 18:57:34,524 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1178943158] [2019-11-19 18:57:34,524 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 18:57:34,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 18:57:34,681 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 18:57:34,682 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1178943158] [2019-11-19 18:57:34,682 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 18:57:34,683 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-19 18:57:34,683 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1365117548] [2019-11-19 18:57:34,685 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-19 18:57:34,685 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 18:57:34,686 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-19 18:57:34,686 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-19 18:57:34,686 INFO L87 Difference]: Start difference. First operand 135 states and 196 transitions. Second operand 3 states. [2019-11-19 18:57:34,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 18:57:34,717 INFO L93 Difference]: Finished difference Result 135 states and 196 transitions. [2019-11-19 18:57:34,718 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-19 18:57:34,718 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2019-11-19 18:57:34,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 18:57:34,720 INFO L225 Difference]: With dead ends: 135 [2019-11-19 18:57:34,720 INFO L226 Difference]: Without dead ends: 55 [2019-11-19 18:57:34,721 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-19 18:57:34,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2019-11-19 18:57:34,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2019-11-19 18:57:34,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2019-11-19 18:57:34,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 79 transitions. [2019-11-19 18:57:34,729 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 79 transitions. Word has length 19 [2019-11-19 18:57:34,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 18:57:34,730 INFO L462 AbstractCegarLoop]: Abstraction has 55 states and 79 transitions. [2019-11-19 18:57:34,730 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-19 18:57:34,730 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 79 transitions. [2019-11-19 18:57:34,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-19 18:57:34,732 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 18:57:34,732 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 18:57:34,732 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 18:57:34,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 18:57:34,733 INFO L82 PathProgramCache]: Analyzing trace with hash -622955081, now seen corresponding path program 1 times [2019-11-19 18:57:34,733 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 18:57:34,734 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2114290834] [2019-11-19 18:57:34,734 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 18:57:34,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 18:57:34,819 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 18:57:34,819 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2114290834] [2019-11-19 18:57:34,820 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 18:57:34,820 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-19 18:57:34,820 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [288504209] [2019-11-19 18:57:34,821 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-19 18:57:34,821 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 18:57:34,822 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-19 18:57:34,822 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-19 18:57:34,822 INFO L87 Difference]: Start difference. First operand 55 states and 79 transitions. Second operand 5 states. [2019-11-19 18:57:34,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 18:57:34,894 INFO L93 Difference]: Finished difference Result 103 states and 151 transitions. [2019-11-19 18:57:34,894 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-19 18:57:34,895 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2019-11-19 18:57:34,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 18:57:34,896 INFO L225 Difference]: With dead ends: 103 [2019-11-19 18:57:34,896 INFO L226 Difference]: Without dead ends: 55 [2019-11-19 18:57:34,897 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-11-19 18:57:34,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2019-11-19 18:57:34,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2019-11-19 18:57:34,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2019-11-19 18:57:34,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 78 transitions. [2019-11-19 18:57:34,905 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 78 transitions. Word has length 24 [2019-11-19 18:57:34,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 18:57:34,906 INFO L462 AbstractCegarLoop]: Abstraction has 55 states and 78 transitions. [2019-11-19 18:57:34,906 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-19 18:57:34,906 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 78 transitions. [2019-11-19 18:57:34,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-19 18:57:34,908 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 18:57:34,908 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 18:57:34,908 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 18:57:34,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 18:57:34,909 INFO L82 PathProgramCache]: Analyzing trace with hash -543801984, now seen corresponding path program 1 times [2019-11-19 18:57:34,909 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 18:57:34,910 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [253985609] [2019-11-19 18:57:34,910 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 18:57:34,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 18:57:35,003 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 18:57:35,004 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [253985609] [2019-11-19 18:57:35,004 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 18:57:35,005 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-19 18:57:35,005 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2061246428] [2019-11-19 18:57:35,005 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-19 18:57:35,006 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 18:57:35,006 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-19 18:57:35,006 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-19 18:57:35,007 INFO L87 Difference]: Start difference. First operand 55 states and 78 transitions. Second operand 3 states. [2019-11-19 18:57:35,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 18:57:35,051 INFO L93 Difference]: Finished difference Result 125 states and 181 transitions. [2019-11-19 18:57:35,053 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-19 18:57:35,053 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2019-11-19 18:57:35,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 18:57:35,055 INFO L225 Difference]: With dead ends: 125 [2019-11-19 18:57:35,055 INFO L226 Difference]: Without dead ends: 77 [2019-11-19 18:57:35,056 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-19 18:57:35,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2019-11-19 18:57:35,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 75. [2019-11-19 18:57:35,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2019-11-19 18:57:35,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 106 transitions. [2019-11-19 18:57:35,076 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 106 transitions. Word has length 26 [2019-11-19 18:57:35,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 18:57:35,076 INFO L462 AbstractCegarLoop]: Abstraction has 75 states and 106 transitions. [2019-11-19 18:57:35,076 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-19 18:57:35,077 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 106 transitions. [2019-11-19 18:57:35,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-19 18:57:35,080 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 18:57:35,080 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 18:57:35,080 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 18:57:35,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 18:57:35,081 INFO L82 PathProgramCache]: Analyzing trace with hash 433721006, now seen corresponding path program 1 times [2019-11-19 18:57:35,081 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 18:57:35,082 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1204277645] [2019-11-19 18:57:35,082 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 18:57:35,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 18:57:35,209 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 18:57:35,209 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1204277645] [2019-11-19 18:57:35,209 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 18:57:35,210 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-19 18:57:35,210 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [641984661] [2019-11-19 18:57:35,210 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-19 18:57:35,211 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 18:57:35,211 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-19 18:57:35,212 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-19 18:57:35,212 INFO L87 Difference]: Start difference. First operand 75 states and 106 transitions. Second operand 3 states. [2019-11-19 18:57:35,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 18:57:35,274 INFO L93 Difference]: Finished difference Result 194 states and 279 transitions. [2019-11-19 18:57:35,276 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-19 18:57:35,277 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 32 [2019-11-19 18:57:35,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 18:57:35,279 INFO L225 Difference]: With dead ends: 194 [2019-11-19 18:57:35,279 INFO L226 Difference]: Without dead ends: 126 [2019-11-19 18:57:35,280 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-19 18:57:35,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2019-11-19 18:57:35,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 124. [2019-11-19 18:57:35,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2019-11-19 18:57:35,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 175 transitions. [2019-11-19 18:57:35,318 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 175 transitions. Word has length 32 [2019-11-19 18:57:35,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 18:57:35,319 INFO L462 AbstractCegarLoop]: Abstraction has 124 states and 175 transitions. [2019-11-19 18:57:35,319 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-19 18:57:35,319 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 175 transitions. [2019-11-19 18:57:35,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-19 18:57:35,324 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 18:57:35,324 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 18:57:35,325 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 18:57:35,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 18:57:35,325 INFO L82 PathProgramCache]: Analyzing trace with hash 1020527020, now seen corresponding path program 1 times [2019-11-19 18:57:35,325 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 18:57:35,326 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2013550508] [2019-11-19 18:57:35,326 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 18:57:35,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 18:57:35,467 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 18:57:35,467 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2013550508] [2019-11-19 18:57:35,468 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 18:57:35,469 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-19 18:57:35,469 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [533060020] [2019-11-19 18:57:35,470 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-19 18:57:35,470 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 18:57:35,470 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-19 18:57:35,471 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-19 18:57:35,472 INFO L87 Difference]: Start difference. First operand 124 states and 175 transitions. Second operand 5 states. [2019-11-19 18:57:35,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 18:57:35,680 INFO L93 Difference]: Finished difference Result 622 states and 885 transitions. [2019-11-19 18:57:35,680 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-19 18:57:35,680 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2019-11-19 18:57:35,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 18:57:35,684 INFO L225 Difference]: With dead ends: 622 [2019-11-19 18:57:35,684 INFO L226 Difference]: Without dead ends: 505 [2019-11-19 18:57:35,688 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-11-19 18:57:35,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 505 states. [2019-11-19 18:57:35,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 505 to 227. [2019-11-19 18:57:35,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 227 states. [2019-11-19 18:57:35,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 314 transitions. [2019-11-19 18:57:35,759 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 314 transitions. Word has length 32 [2019-11-19 18:57:35,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 18:57:35,760 INFO L462 AbstractCegarLoop]: Abstraction has 227 states and 314 transitions. [2019-11-19 18:57:35,760 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-19 18:57:35,760 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 314 transitions. [2019-11-19 18:57:35,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-19 18:57:35,767 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 18:57:35,767 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 18:57:35,770 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 18:57:35,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 18:57:35,771 INFO L82 PathProgramCache]: Analyzing trace with hash 1020370484, now seen corresponding path program 1 times [2019-11-19 18:57:35,771 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 18:57:35,771 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [925549920] [2019-11-19 18:57:35,771 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 18:57:35,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 18:57:35,889 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 18:57:35,889 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [925549920] [2019-11-19 18:57:35,889 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 18:57:35,890 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-19 18:57:35,890 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1873089594] [2019-11-19 18:57:35,890 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-19 18:57:35,891 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 18:57:35,891 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-19 18:57:35,891 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-19 18:57:35,891 INFO L87 Difference]: Start difference. First operand 227 states and 314 transitions. Second operand 5 states. [2019-11-19 18:57:36,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 18:57:36,189 INFO L93 Difference]: Finished difference Result 865 states and 1197 transitions. [2019-11-19 18:57:36,190 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-19 18:57:36,190 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2019-11-19 18:57:36,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 18:57:36,194 INFO L225 Difference]: With dead ends: 865 [2019-11-19 18:57:36,194 INFO L226 Difference]: Without dead ends: 645 [2019-11-19 18:57:36,196 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-11-19 18:57:36,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 645 states. [2019-11-19 18:57:36,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 645 to 225. [2019-11-19 18:57:36,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 225 states. [2019-11-19 18:57:36,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 308 transitions. [2019-11-19 18:57:36,224 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 308 transitions. Word has length 33 [2019-11-19 18:57:36,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 18:57:36,224 INFO L462 AbstractCegarLoop]: Abstraction has 225 states and 308 transitions. [2019-11-19 18:57:36,224 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-19 18:57:36,226 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 308 transitions. [2019-11-19 18:57:36,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-11-19 18:57:36,229 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 18:57:36,230 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 18:57:36,230 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 18:57:36,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 18:57:36,231 INFO L82 PathProgramCache]: Analyzing trace with hash 1031669644, now seen corresponding path program 1 times [2019-11-19 18:57:36,231 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 18:57:36,232 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1756651116] [2019-11-19 18:57:36,232 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 18:57:36,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 18:57:36,311 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 18:57:36,312 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1756651116] [2019-11-19 18:57:36,312 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 18:57:36,312 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-19 18:57:36,312 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [519091679] [2019-11-19 18:57:36,313 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-19 18:57:36,313 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 18:57:36,313 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-19 18:57:36,313 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-19 18:57:36,313 INFO L87 Difference]: Start difference. First operand 225 states and 308 transitions. Second operand 5 states. [2019-11-19 18:57:36,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 18:57:36,417 INFO L93 Difference]: Finished difference Result 609 states and 825 transitions. [2019-11-19 18:57:36,418 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-19 18:57:36,418 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 36 [2019-11-19 18:57:36,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 18:57:36,420 INFO L225 Difference]: With dead ends: 609 [2019-11-19 18:57:36,421 INFO L226 Difference]: Without dead ends: 391 [2019-11-19 18:57:36,422 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-11-19 18:57:36,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 391 states. [2019-11-19 18:57:36,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 391 to 243. [2019-11-19 18:57:36,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 243 states. [2019-11-19 18:57:36,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 326 transitions. [2019-11-19 18:57:36,450 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 326 transitions. Word has length 36 [2019-11-19 18:57:36,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 18:57:36,451 INFO L462 AbstractCegarLoop]: Abstraction has 243 states and 326 transitions. [2019-11-19 18:57:36,451 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-19 18:57:36,451 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 326 transitions. [2019-11-19 18:57:36,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-11-19 18:57:36,453 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 18:57:36,453 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 18:57:36,453 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 18:57:36,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 18:57:36,454 INFO L82 PathProgramCache]: Analyzing trace with hash 20552394, now seen corresponding path program 1 times [2019-11-19 18:57:36,454 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 18:57:36,455 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1174922640] [2019-11-19 18:57:36,455 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 18:57:36,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 18:57:36,528 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 18:57:36,528 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1174922640] [2019-11-19 18:57:36,528 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 18:57:36,528 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-19 18:57:36,529 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1353901045] [2019-11-19 18:57:36,529 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-19 18:57:36,529 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 18:57:36,530 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-19 18:57:36,531 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-19 18:57:36,531 INFO L87 Difference]: Start difference. First operand 243 states and 326 transitions. Second operand 4 states. [2019-11-19 18:57:36,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 18:57:36,629 INFO L93 Difference]: Finished difference Result 512 states and 682 transitions. [2019-11-19 18:57:36,630 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-19 18:57:36,630 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 36 [2019-11-19 18:57:36,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 18:57:36,632 INFO L225 Difference]: With dead ends: 512 [2019-11-19 18:57:36,632 INFO L226 Difference]: Without dead ends: 276 [2019-11-19 18:57:36,633 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-19 18:57:36,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 276 states. [2019-11-19 18:57:36,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 276 to 204. [2019-11-19 18:57:36,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 204 states. [2019-11-19 18:57:36,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 267 transitions. [2019-11-19 18:57:36,653 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 267 transitions. Word has length 36 [2019-11-19 18:57:36,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 18:57:36,655 INFO L462 AbstractCegarLoop]: Abstraction has 204 states and 267 transitions. [2019-11-19 18:57:36,655 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-19 18:57:36,655 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 267 transitions. [2019-11-19 18:57:36,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-11-19 18:57:36,656 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 18:57:36,656 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 18:57:36,656 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 18:57:36,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 18:57:36,657 INFO L82 PathProgramCache]: Analyzing trace with hash 1819972552, now seen corresponding path program 1 times [2019-11-19 18:57:36,657 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 18:57:36,657 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [167529349] [2019-11-19 18:57:36,657 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 18:57:36,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 18:57:36,714 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 18:57:36,715 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [167529349] [2019-11-19 18:57:36,715 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 18:57:36,715 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-19 18:57:36,716 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [611447631] [2019-11-19 18:57:36,716 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-19 18:57:36,716 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 18:57:36,716 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-19 18:57:36,717 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-19 18:57:36,717 INFO L87 Difference]: Start difference. First operand 204 states and 267 transitions. Second operand 6 states. [2019-11-19 18:57:36,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 18:57:36,938 INFO L93 Difference]: Finished difference Result 615 states and 805 transitions. [2019-11-19 18:57:36,938 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-19 18:57:36,938 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 37 [2019-11-19 18:57:36,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 18:57:36,942 INFO L225 Difference]: With dead ends: 615 [2019-11-19 18:57:36,943 INFO L226 Difference]: Without dead ends: 418 [2019-11-19 18:57:36,944 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2019-11-19 18:57:36,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 418 states. [2019-11-19 18:57:36,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 418 to 204. [2019-11-19 18:57:36,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 204 states. [2019-11-19 18:57:36,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 262 transitions. [2019-11-19 18:57:36,968 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 262 transitions. Word has length 37 [2019-11-19 18:57:36,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 18:57:36,969 INFO L462 AbstractCegarLoop]: Abstraction has 204 states and 262 transitions. [2019-11-19 18:57:36,969 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-19 18:57:36,969 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 262 transitions. [2019-11-19 18:57:36,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-11-19 18:57:36,970 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 18:57:36,970 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 18:57:36,971 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 18:57:36,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 18:57:36,971 INFO L82 PathProgramCache]: Analyzing trace with hash -1973086569, now seen corresponding path program 1 times [2019-11-19 18:57:36,971 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 18:57:36,971 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1677451281] [2019-11-19 18:57:36,972 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 18:57:36,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 18:57:37,048 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-19 18:57:37,048 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1677451281] [2019-11-19 18:57:37,049 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 18:57:37,049 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-19 18:57:37,049 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2126359704] [2019-11-19 18:57:37,049 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-19 18:57:37,050 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 18:57:37,050 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-19 18:57:37,050 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-19 18:57:37,050 INFO L87 Difference]: Start difference. First operand 204 states and 262 transitions. Second operand 7 states. [2019-11-19 18:57:37,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 18:57:37,164 INFO L93 Difference]: Finished difference Result 516 states and 678 transitions. [2019-11-19 18:57:37,164 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-19 18:57:37,164 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 58 [2019-11-19 18:57:37,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 18:57:37,167 INFO L225 Difference]: With dead ends: 516 [2019-11-19 18:57:37,167 INFO L226 Difference]: Without dead ends: 369 [2019-11-19 18:57:37,168 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2019-11-19 18:57:37,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states. [2019-11-19 18:57:37,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 210. [2019-11-19 18:57:37,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 210 states. [2019-11-19 18:57:37,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 268 transitions. [2019-11-19 18:57:37,191 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 268 transitions. Word has length 58 [2019-11-19 18:57:37,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 18:57:37,192 INFO L462 AbstractCegarLoop]: Abstraction has 210 states and 268 transitions. [2019-11-19 18:57:37,193 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-19 18:57:37,193 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 268 transitions. [2019-11-19 18:57:37,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-11-19 18:57:37,193 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 18:57:37,194 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 18:57:37,194 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 18:57:37,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 18:57:37,194 INFO L82 PathProgramCache]: Analyzing trace with hash 2063715289, now seen corresponding path program 1 times [2019-11-19 18:57:37,194 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 18:57:37,196 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1943944028] [2019-11-19 18:57:37,196 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 18:57:37,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 18:57:37,255 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 18:57:37,255 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1943944028] [2019-11-19 18:57:37,255 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 18:57:37,256 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-19 18:57:37,256 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1893027025] [2019-11-19 18:57:37,257 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-19 18:57:37,258 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 18:57:37,258 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-19 18:57:37,258 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-19 18:57:37,258 INFO L87 Difference]: Start difference. First operand 210 states and 268 transitions. Second operand 3 states. [2019-11-19 18:57:37,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 18:57:37,305 INFO L93 Difference]: Finished difference Result 331 states and 425 transitions. [2019-11-19 18:57:37,305 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-19 18:57:37,305 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 58 [2019-11-19 18:57:37,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 18:57:37,307 INFO L225 Difference]: With dead ends: 331 [2019-11-19 18:57:37,307 INFO L226 Difference]: Without dead ends: 329 [2019-11-19 18:57:37,308 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-19 18:57:37,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 329 states. [2019-11-19 18:57:37,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 329 to 236. [2019-11-19 18:57:37,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 236 states. [2019-11-19 18:57:37,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 307 transitions. [2019-11-19 18:57:37,332 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 307 transitions. Word has length 58 [2019-11-19 18:57:37,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 18:57:37,332 INFO L462 AbstractCegarLoop]: Abstraction has 236 states and 307 transitions. [2019-11-19 18:57:37,332 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-19 18:57:37,332 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 307 transitions. [2019-11-19 18:57:37,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2019-11-19 18:57:37,333 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 18:57:37,333 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 18:57:37,334 INFO L410 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 18:57:37,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 18:57:37,334 INFO L82 PathProgramCache]: Analyzing trace with hash 1544417178, now seen corresponding path program 1 times [2019-11-19 18:57:37,335 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 18:57:37,335 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [635321029] [2019-11-19 18:57:37,335 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 18:57:37,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 18:57:37,491 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-19 18:57:37,491 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [635321029] [2019-11-19 18:57:37,491 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 18:57:37,491 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-19 18:57:37,492 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [943710173] [2019-11-19 18:57:37,492 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-19 18:57:37,492 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 18:57:37,492 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-19 18:57:37,493 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-19 18:57:37,493 INFO L87 Difference]: Start difference. First operand 236 states and 307 transitions. Second operand 5 states. [2019-11-19 18:57:37,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 18:57:37,666 INFO L93 Difference]: Finished difference Result 589 states and 784 transitions. [2019-11-19 18:57:37,666 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-19 18:57:37,667 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 82 [2019-11-19 18:57:37,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 18:57:37,670 INFO L225 Difference]: With dead ends: 589 [2019-11-19 18:57:37,671 INFO L226 Difference]: Without dead ends: 410 [2019-11-19 18:57:37,671 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2019-11-19 18:57:37,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 410 states. [2019-11-19 18:57:37,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 410 to 269. [2019-11-19 18:57:37,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 269 states. [2019-11-19 18:57:37,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 269 states and 350 transitions. [2019-11-19 18:57:37,703 INFO L78 Accepts]: Start accepts. Automaton has 269 states and 350 transitions. Word has length 82 [2019-11-19 18:57:37,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 18:57:37,704 INFO L462 AbstractCegarLoop]: Abstraction has 269 states and 350 transitions. [2019-11-19 18:57:37,704 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-19 18:57:37,704 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 350 transitions. [2019-11-19 18:57:37,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2019-11-19 18:57:37,706 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 18:57:37,706 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 18:57:37,706 INFO L410 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 18:57:37,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 18:57:37,707 INFO L82 PathProgramCache]: Analyzing trace with hash 523348824, now seen corresponding path program 1 times [2019-11-19 18:57:37,707 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 18:57:37,711 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1118805592] [2019-11-19 18:57:37,712 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 18:57:37,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 18:57:37,806 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 39 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 18:57:37,808 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1118805592] [2019-11-19 18:57:37,808 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [857694578] [2019-11-19 18:57:37,809 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-19 18:57:37,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 18:57:37,969 INFO L255 TraceCheckSpWp]: Trace formula consists of 497 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-19 18:57:37,985 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 18:57:38,023 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 39 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 18:57:38,024 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-19 18:57:38,024 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2019-11-19 18:57:38,024 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1059176233] [2019-11-19 18:57:38,026 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-19 18:57:38,026 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 18:57:38,026 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-19 18:57:38,027 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-19 18:57:38,027 INFO L87 Difference]: Start difference. First operand 269 states and 350 transitions. Second operand 4 states. [2019-11-19 18:57:38,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 18:57:38,132 INFO L93 Difference]: Finished difference Result 559 states and 728 transitions. [2019-11-19 18:57:38,132 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-19 18:57:38,133 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 82 [2019-11-19 18:57:38,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 18:57:38,135 INFO L225 Difference]: With dead ends: 559 [2019-11-19 18:57:38,135 INFO L226 Difference]: Without dead ends: 294 [2019-11-19 18:57:38,136 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-19 18:57:38,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2019-11-19 18:57:38,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 274. [2019-11-19 18:57:38,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 274 states. [2019-11-19 18:57:38,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 342 transitions. [2019-11-19 18:57:38,171 INFO L78 Accepts]: Start accepts. Automaton has 274 states and 342 transitions. Word has length 82 [2019-11-19 18:57:38,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 18:57:38,172 INFO L462 AbstractCegarLoop]: Abstraction has 274 states and 342 transitions. [2019-11-19 18:57:38,172 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-19 18:57:38,173 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 342 transitions. [2019-11-19 18:57:38,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2019-11-19 18:57:38,180 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 18:57:38,180 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 18:57:38,387 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-19 18:57:38,388 INFO L410 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 18:57:38,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 18:57:38,388 INFO L82 PathProgramCache]: Analyzing trace with hash 60063416, now seen corresponding path program 2 times [2019-11-19 18:57:38,388 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 18:57:38,389 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1327026066] [2019-11-19 18:57:38,389 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 18:57:38,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 18:57:38,562 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-19 18:57:38,562 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1327026066] [2019-11-19 18:57:38,563 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 18:57:38,563 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-19 18:57:38,565 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1334393219] [2019-11-19 18:57:38,566 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-19 18:57:38,566 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 18:57:38,566 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-19 18:57:38,566 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-11-19 18:57:38,567 INFO L87 Difference]: Start difference. First operand 274 states and 342 transitions. Second operand 6 states. [2019-11-19 18:57:38,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 18:57:38,805 INFO L93 Difference]: Finished difference Result 630 states and 789 transitions. [2019-11-19 18:57:38,806 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-19 18:57:38,806 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 83 [2019-11-19 18:57:38,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 18:57:38,806 INFO L225 Difference]: With dead ends: 630 [2019-11-19 18:57:38,806 INFO L226 Difference]: Without dead ends: 0 [2019-11-19 18:57:38,808 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2019-11-19 18:57:38,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-19 18:57:38,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-19 18:57:38,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-19 18:57:38,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-19 18:57:38,809 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 83 [2019-11-19 18:57:38,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 18:57:38,809 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-19 18:57:38,809 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-19 18:57:38,809 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-19 18:57:38,809 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-19 18:57:38,814 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-19 18:57:38,941 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 59 [2019-11-19 18:57:39,379 WARN L191 SmtUtils]: Spent 433.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 149 [2019-11-19 18:57:39,633 WARN L191 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 127 [2019-11-19 18:57:39,850 WARN L191 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 103 [2019-11-19 18:57:40,162 WARN L191 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 129 [2019-11-19 18:57:40,403 WARN L191 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 118 [2019-11-19 18:57:40,758 WARN L191 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 123 [2019-11-19 18:57:41,064 WARN L191 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 123 [2019-11-19 18:57:41,382 WARN L191 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 137 [2019-11-19 18:57:41,553 WARN L191 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 132 [2019-11-19 18:57:41,771 WARN L191 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 27 [2019-11-19 18:57:42,641 WARN L191 SmtUtils]: Spent 841.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 29 [2019-11-19 18:57:42,762 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 24 [2019-11-19 18:57:43,277 WARN L191 SmtUtils]: Spent 486.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 35 [2019-11-19 18:57:43,747 WARN L191 SmtUtils]: Spent 463.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 31 [2019-11-19 18:57:44,386 WARN L191 SmtUtils]: Spent 634.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 34 [2019-11-19 18:57:44,506 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 23 [2019-11-19 18:57:45,092 WARN L191 SmtUtils]: Spent 581.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 31 [2019-11-19 18:57:45,294 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 31 [2019-11-19 18:57:45,835 WARN L191 SmtUtils]: Spent 538.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 34 [2019-11-19 18:57:46,374 WARN L191 SmtUtils]: Spent 535.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 34 [2019-11-19 18:57:46,551 WARN L191 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 29 [2019-11-19 18:57:47,302 WARN L191 SmtUtils]: Spent 741.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 28 [2019-11-19 18:57:47,758 WARN L191 SmtUtils]: Spent 450.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 36 [2019-11-19 18:57:47,786 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 994) no Hoare annotation was computed. [2019-11-19 18:57:47,787 INFO L444 ceAbstractionStarter]: For program point L531(lines 530 577) no Hoare annotation was computed. [2019-11-19 18:57:47,787 INFO L444 ceAbstractionStarter]: For program point L994(line 994) no Hoare annotation was computed. [2019-11-19 18:57:47,787 INFO L444 ceAbstractionStarter]: For program point L994-1(line 994) no Hoare annotation was computed. [2019-11-19 18:57:47,787 INFO L444 ceAbstractionStarter]: For program point L994-2(line 994) no Hoare annotation was computed. [2019-11-19 18:57:47,787 INFO L444 ceAbstractionStarter]: For program point L796(lines 796 800) no Hoare annotation was computed. [2019-11-19 18:57:47,787 INFO L444 ceAbstractionStarter]: For program point L796-2(lines 796 800) no Hoare annotation was computed. [2019-11-19 18:57:47,788 INFO L444 ceAbstractionStarter]: For program point L796-3(lines 796 800) no Hoare annotation was computed. [2019-11-19 18:57:47,788 INFO L444 ceAbstractionStarter]: For program point L631(lines 631 648) no Hoare annotation was computed. [2019-11-19 18:57:47,789 INFO L444 ceAbstractionStarter]: For program point L796-5(lines 796 800) no Hoare annotation was computed. [2019-11-19 18:57:47,789 INFO L444 ceAbstractionStarter]: For program point L631-1(lines 631 648) no Hoare annotation was computed. [2019-11-19 18:57:47,789 INFO L444 ceAbstractionStarter]: For program point L796-6(lines 796 800) no Hoare annotation was computed. [2019-11-19 18:57:47,789 INFO L444 ceAbstractionStarter]: For program point L631-2(lines 631 648) no Hoare annotation was computed. [2019-11-19 18:57:47,789 INFO L444 ceAbstractionStarter]: For program point L532(lines 532 536) no Hoare annotation was computed. [2019-11-19 18:57:47,789 INFO L444 ceAbstractionStarter]: For program point L631-3(lines 631 648) no Hoare annotation was computed. [2019-11-19 18:57:47,790 INFO L444 ceAbstractionStarter]: For program point L796-8(lines 796 800) no Hoare annotation was computed. [2019-11-19 18:57:47,790 INFO L444 ceAbstractionStarter]: For program point L631-4(lines 631 648) no Hoare annotation was computed. [2019-11-19 18:57:47,790 INFO L444 ceAbstractionStarter]: For program point L631-5(lines 631 648) no Hoare annotation was computed. [2019-11-19 18:57:47,790 INFO L440 ceAbstractionStarter]: At program point L136(lines 127 140) the Hoare annotation is: false [2019-11-19 18:57:47,791 INFO L440 ceAbstractionStarter]: At program point L136-1(lines 127 140) the Hoare annotation is: (let ((.cse2 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse3 (= ULTIMATE.start_main_~tmp~10 1)) (.cse4 (= ~pumpRunning~0 0)) (.cse5 (not (= 0 ~systemActive~0))) (.cse7 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (let ((.cse6 (= 1 ~methaneLevelCritical~0)) (.cse8 (<= 2 ~waterLevel~0)) (.cse1 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1)) (.cse9 (and .cse2 .cse3 (= 0 ~methaneLevelCritical~0) .cse4 .cse5 .cse7)) (.cse0 (<= 1 ~waterLevel~0))) (or (and .cse0 (and .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7)) (and .cse8 (and .cse2 .cse3 .cse4 .cse5 .cse6 .cse7)) (and .cse8 .cse9) (and (and .cse1 .cse9) .cse0)))) [2019-11-19 18:57:47,791 INFO L440 ceAbstractionStarter]: At program point L136-2(lines 127 140) the Hoare annotation is: false [2019-11-19 18:57:47,791 INFO L440 ceAbstractionStarter]: At program point L136-3(lines 127 140) the Hoare annotation is: false [2019-11-19 18:57:47,792 INFO L440 ceAbstractionStarter]: At program point L136-4(lines 127 140) the Hoare annotation is: false [2019-11-19 18:57:47,792 INFO L440 ceAbstractionStarter]: At program point L136-5(lines 127 140) the Hoare annotation is: false [2019-11-19 18:57:47,792 INFO L440 ceAbstractionStarter]: At program point L599(lines 598 617) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= ULTIMATE.start_main_~tmp~10 1)) (.cse2 (not (= 0 ~systemActive~0))) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse5 (= 1 ~methaneLevelCritical~0)) (.cse4 (<= 1 ~waterLevel~0))) (or (and (and .cse0 .cse1 (= 0 ~methaneLevelCritical~0) .cse2 .cse3) .cse4) (and (and (and .cse0 .cse1 (= ~pumpRunning~0 0) .cse2 .cse3) .cse5) .cse4) (and (and (and .cse0 .cse1 .cse2 .cse3 .cse5) (= 0 ~methAndRunningLastTime~0)) .cse4))) [2019-11-19 18:57:47,793 INFO L444 ceAbstractionStarter]: For program point L599-1(lines 599 605) no Hoare annotation was computed. [2019-11-19 18:57:47,793 INFO L440 ceAbstractionStarter]: At program point L599-2(lines 598 617) the Hoare annotation is: false [2019-11-19 18:57:47,793 INFO L440 ceAbstractionStarter]: At program point L599-3(lines 598 617) the Hoare annotation is: false [2019-11-19 18:57:47,793 INFO L444 ceAbstractionStarter]: For program point L568(lines 568 572) no Hoare annotation was computed. [2019-11-19 18:57:47,794 INFO L440 ceAbstractionStarter]: At program point L568-2(lines 599 605) the Hoare annotation is: (let ((.cse8 (<= 2 ~waterLevel~0)) (.cse5 (= 1 ~methaneLevelCritical~0)) (.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= ULTIMATE.start_main_~tmp~10 1)) (.cse9 (= 0 ~methaneLevelCritical~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (not (= 0 ~systemActive~0))) (.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse7 (<= 1 ~waterLevel~0)) (.cse6 (= 0 ~methAndRunningLastTime~0))) (or (and (and (and (and .cse0 .cse1 .cse2 .cse3 .cse4) .cse5) .cse6) .cse7) (and .cse8 (and .cse0 .cse1 .cse9 .cse3 .cse4)) (and .cse8 (and (and .cse0 .cse1 .cse3 .cse4 .cse5) .cse6)) (and (and .cse0 .cse1 .cse9 .cse2 .cse3 .cse4) .cse7 .cse6))) [2019-11-19 18:57:47,794 INFO L444 ceAbstractionStarter]: For program point L833(lines 833 850) no Hoare annotation was computed. [2019-11-19 18:57:47,794 INFO L440 ceAbstractionStarter]: At program point L833-1(lines 1 997) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= ULTIMATE.start_main_~tmp~10 1)) (.cse2 (= 0 ~methaneLevelCritical~0)) (.cse6 (= ~pumpRunning~0 0)) (.cse3 (not (= 0 ~systemActive~0))) (.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse5 (= 0 ~methAndRunningLastTime~0))) (or (and .cse0 (= ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~9 0) .cse1 .cse2 (<= 2 ~waterLevel~0) (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse3 .cse4 .cse5) (and (and (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) (and .cse0 .cse1 .cse6 .cse3 .cse4) (= 1 ~methaneLevelCritical~0)) (<= 1 ~waterLevel~0) .cse5) (and .cse0 .cse1 (and .cse2 (= 1 ~waterLevel~0) .cse6 .cse3 .cse4) .cse5))) [2019-11-19 18:57:47,794 INFO L444 ceAbstractionStarter]: For program point L833-2(lines 833 850) no Hoare annotation was computed. [2019-11-19 18:57:47,795 INFO L440 ceAbstractionStarter]: At program point L833-3(lines 1 997) the Hoare annotation is: false [2019-11-19 18:57:47,795 INFO L444 ceAbstractionStarter]: For program point L833-4(lines 833 850) no Hoare annotation was computed. [2019-11-19 18:57:47,795 INFO L440 ceAbstractionStarter]: At program point L833-5(lines 1 997) the Hoare annotation is: false [2019-11-19 18:57:47,795 INFO L444 ceAbstractionStarter]: For program point L635(lines 635 643) no Hoare annotation was computed. [2019-11-19 18:57:47,795 INFO L444 ceAbstractionStarter]: For program point L635-1(lines 635 643) no Hoare annotation was computed. [2019-11-19 18:57:47,796 INFO L444 ceAbstractionStarter]: For program point L635-2(lines 635 643) no Hoare annotation was computed. [2019-11-19 18:57:47,796 INFO L444 ceAbstractionStarter]: For program point L635-3(lines 635 643) no Hoare annotation was computed. [2019-11-19 18:57:47,796 INFO L444 ceAbstractionStarter]: For program point L635-4(lines 635 643) no Hoare annotation was computed. [2019-11-19 18:57:47,796 INFO L444 ceAbstractionStarter]: For program point L635-5(lines 635 643) no Hoare annotation was computed. [2019-11-19 18:57:47,797 INFO L440 ceAbstractionStarter]: At program point L802(lines 787 805) the Hoare annotation is: (let ((.cse1 (= 0 ULTIMATE.start_isLowWaterLevel_~tmp~8)) (.cse2 (not (= 0 |ULTIMATE.start_isLowWaterLevel_#res|))) (.cse5 (not (= 0 ULTIMATE.start_isLowWaterLevel_~tmp___0~2))) (.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse3 (= ULTIMATE.start_main_~tmp~10 1)) (.cse7 (not (= 0 ~systemActive~0))) (.cse8 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse4 (= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|)) (.cse6 (<= 1 ~waterLevel~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 (= 1 ~methaneLevelCritical~0)) (and .cse1 (and .cse2 .cse5 (and .cse0 .cse3 (= 0 ~methaneLevelCritical~0) .cse7 .cse8)) .cse4 .cse6))) [2019-11-19 18:57:47,797 INFO L440 ceAbstractionStarter]: At program point L802-1(lines 787 805) the Hoare annotation is: false [2019-11-19 18:57:47,797 INFO L440 ceAbstractionStarter]: At program point L802-2(lines 787 805) the Hoare annotation is: false [2019-11-19 18:57:47,797 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 994) no Hoare annotation was computed. [2019-11-19 18:57:47,798 INFO L444 ceAbstractionStarter]: For program point L837(lines 837 847) no Hoare annotation was computed. [2019-11-19 18:57:47,798 INFO L444 ceAbstractionStarter]: For program point L837-2(lines 837 847) no Hoare annotation was computed. [2019-11-19 18:57:47,798 INFO L444 ceAbstractionStarter]: For program point L837-4(lines 837 847) no Hoare annotation was computed. [2019-11-19 18:57:47,798 INFO L440 ceAbstractionStarter]: At program point L606(lines 606 612) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= ULTIMATE.start_main_~tmp~10 1)) (.cse6 (= 0 ~methaneLevelCritical~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (not (= 0 ~systemActive~0))) (.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse5 (<= 1 ~waterLevel~0))) (or (and (and (and .cse0 .cse1 .cse2 .cse3 .cse4) (= 1 ~methaneLevelCritical~0)) .cse5) (and (<= 2 ~waterLevel~0) (and .cse0 .cse1 .cse6 .cse3 .cse4)) (and (and .cse0 .cse1 .cse6 .cse2 .cse3 .cse4) .cse5))) [2019-11-19 18:57:47,798 INFO L440 ceAbstractionStarter]: At program point L606-1(lines 606 612) the Hoare annotation is: false [2019-11-19 18:57:47,799 INFO L444 ceAbstractionStarter]: For program point L540(lines 540 546) no Hoare annotation was computed. [2019-11-19 18:57:47,799 INFO L440 ceAbstractionStarter]: At program point L606-2(lines 606 612) the Hoare annotation is: false [2019-11-19 18:57:47,799 INFO L440 ceAbstractionStarter]: At program point L540-1(lines 540 546) the Hoare annotation is: (let ((.cse1 (= ULTIMATE.start_main_~tmp~10 1)) (.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse2 (= 0 ~methaneLevelCritical~0)) (.cse6 (= ~pumpRunning~0 0)) (.cse3 (not (= 0 ~systemActive~0))) (.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse5 (= 0 ~methAndRunningLastTime~0)) (.cse7 (<= 1 ~waterLevel~0))) (or (and .cse0 (= ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~9 0) .cse1 .cse2 (<= 2 ~waterLevel~0) (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse3 .cse4 .cse5) (and (and (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) (and .cse0 .cse1 .cse6 .cse3 .cse4) (= 1 ~methaneLevelCritical~0)) .cse7 .cse5) (and (and (and .cse1 (and .cse0 .cse2 .cse6 .cse3 .cse4)) .cse5) .cse7))) [2019-11-19 18:57:47,799 INFO L444 ceAbstractionStarter]: For program point L78(lines 78 82) no Hoare annotation was computed. [2019-11-19 18:57:47,800 INFO L444 ceAbstractionStarter]: For program point L838(lines 838 844) no Hoare annotation was computed. [2019-11-19 18:57:47,800 INFO L440 ceAbstractionStarter]: At program point L904-2(lines 904 918) the Hoare annotation is: false [2019-11-19 18:57:47,800 INFO L444 ceAbstractionStarter]: For program point L838-2(lines 838 844) no Hoare annotation was computed. [2019-11-19 18:57:47,800 INFO L444 ceAbstractionStarter]: For program point L838-4(lines 838 844) no Hoare annotation was computed. [2019-11-19 18:57:47,800 INFO L444 ceAbstractionStarter]: For program point L905(line 905) no Hoare annotation was computed. [2019-11-19 18:57:47,801 INFO L440 ceAbstractionStarter]: At program point L146(lines 141 149) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= ULTIMATE.start_main_~tmp~10 1)) (.cse4 (= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|)) (.cse5 (<= 1 ~waterLevel~0)) (.cse2 (not (= 0 ~systemActive~0))) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (and .cse0 .cse1 (= 0 ~methaneLevelCritical~0) .cse2 .cse3) .cse4 .cse5) (and .cse0 .cse1 .cse4 .cse5 .cse2 .cse3 (= 1 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0)))) [2019-11-19 18:57:47,801 INFO L440 ceAbstractionStarter]: At program point L146-1(lines 141 149) the Hoare annotation is: false [2019-11-19 18:57:47,801 INFO L440 ceAbstractionStarter]: At program point L146-2(lines 141 149) the Hoare annotation is: false [2019-11-19 18:57:47,801 INFO L444 ceAbstractionStarter]: For program point L908(lines 908 912) no Hoare annotation was computed. [2019-11-19 18:57:47,801 INFO L444 ceAbstractionStarter]: For program point L908-1(lines 599 605) no Hoare annotation was computed. [2019-11-19 18:57:47,802 INFO L440 ceAbstractionStarter]: At program point L578(lines 529 579) the Hoare annotation is: false [2019-11-19 18:57:47,802 INFO L444 ceAbstractionStarter]: For program point L777(lines 777 781) no Hoare annotation was computed. [2019-11-19 18:57:47,802 INFO L444 ceAbstractionStarter]: For program point L777-2(lines 777 781) no Hoare annotation was computed. [2019-11-19 18:57:47,802 INFO L444 ceAbstractionStarter]: For program point L777-3(lines 777 781) no Hoare annotation was computed. [2019-11-19 18:57:47,802 INFO L444 ceAbstractionStarter]: For program point L777-5(lines 777 781) no Hoare annotation was computed. [2019-11-19 18:57:47,803 INFO L444 ceAbstractionStarter]: For program point L777-6(lines 777 781) no Hoare annotation was computed. [2019-11-19 18:57:47,803 INFO L444 ceAbstractionStarter]: For program point L777-8(lines 777 781) no Hoare annotation was computed. [2019-11-19 18:57:47,803 INFO L444 ceAbstractionStarter]: For program point L777-9(lines 777 781) no Hoare annotation was computed. [2019-11-19 18:57:47,803 INFO L444 ceAbstractionStarter]: For program point L777-11(lines 777 781) no Hoare annotation was computed. [2019-11-19 18:57:47,803 INFO L444 ceAbstractionStarter]: For program point L777-12(lines 777 781) no Hoare annotation was computed. [2019-11-19 18:57:47,804 INFO L444 ceAbstractionStarter]: For program point L777-14(lines 777 781) no Hoare annotation was computed. [2019-11-19 18:57:47,804 INFO L444 ceAbstractionStarter]: For program point L777-15(lines 777 781) no Hoare annotation was computed. [2019-11-19 18:57:47,804 INFO L444 ceAbstractionStarter]: For program point L777-17(lines 777 781) no Hoare annotation was computed. [2019-11-19 18:57:47,804 INFO L444 ceAbstractionStarter]: For program point L976(lines 976 983) no Hoare annotation was computed. [2019-11-19 18:57:47,804 INFO L447 ceAbstractionStarter]: At program point L976-1(lines 976 983) the Hoare annotation is: true [2019-11-19 18:57:47,805 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-19 18:57:47,805 INFO L444 ceAbstractionStarter]: For program point L54(lines 54 58) no Hoare annotation was computed. [2019-11-19 18:57:47,805 INFO L444 ceAbstractionStarter]: For program point L54-3(lines 54 58) no Hoare annotation was computed. [2019-11-19 18:57:47,805 INFO L440 ceAbstractionStarter]: At program point L880(lines 1 997) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)) (= 0 ~methAndRunningLastTime~0)) [2019-11-19 18:57:47,805 INFO L444 ceAbstractionStarter]: For program point L54-6(lines 54 58) no Hoare annotation was computed. [2019-11-19 18:57:47,806 INFO L444 ceAbstractionStarter]: For program point L550(lines 550 556) no Hoare annotation was computed. [2019-11-19 18:57:47,806 INFO L440 ceAbstractionStarter]: At program point L550-1(lines 550 556) the Hoare annotation is: (let ((.cse8 (<= 2 ~waterLevel~0)) (.cse5 (= 1 ~methaneLevelCritical~0)) (.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= ULTIMATE.start_main_~tmp~10 1)) (.cse9 (= 0 ~methaneLevelCritical~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (not (= 0 ~systemActive~0))) (.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse7 (<= 1 ~waterLevel~0)) (.cse6 (= 0 ~methAndRunningLastTime~0))) (or (and (and (and (and .cse0 .cse1 .cse2 .cse3 .cse4) .cse5) .cse6) .cse7) (and .cse8 (and .cse0 .cse1 .cse9 .cse3 .cse4)) (and .cse8 (and (and .cse0 .cse1 .cse3 .cse4 .cse5) .cse6)) (and (and .cse0 .cse1 .cse9 .cse2 .cse3 .cse4) .cse7 .cse6))) [2019-11-19 18:57:47,806 INFO L440 ceAbstractionStarter]: At program point L783(lines 768 786) the Hoare annotation is: false [2019-11-19 18:57:47,807 INFO L440 ceAbstractionStarter]: At program point L783-1(lines 768 786) the Hoare annotation is: (let ((.cse1 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse2 (= ULTIMATE.start_main_~tmp~10 1)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (not (= 0 ~systemActive~0))) (.cse6 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (let ((.cse5 (= 1 ~methaneLevelCritical~0)) (.cse0 (<= 2 ~waterLevel~0)) (.cse9 (<= 1 ~waterLevel~0)) (.cse7 (= 0 |ULTIMATE.start_isHighWaterLevel_#res|)) (.cse10 (and .cse1 .cse2 (= 0 ~methaneLevelCritical~0) .cse3 .cse4 .cse6)) (.cse8 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~1))) (or (and .cse0 (and .cse1 .cse2 .cse3 .cse4 .cse5 .cse6)) (and (and (and .cse7 .cse1 .cse2 .cse8 .cse3 .cse4 .cse6) .cse5) .cse9) (and .cse0 .cse10) (and .cse9 (and .cse7 .cse10 .cse8))))) [2019-11-19 18:57:47,807 INFO L440 ceAbstractionStarter]: At program point L783-2(lines 768 786) the Hoare annotation is: false [2019-11-19 18:57:47,807 INFO L440 ceAbstractionStarter]: At program point L783-3(lines 768 786) the Hoare annotation is: false [2019-11-19 18:57:47,807 INFO L440 ceAbstractionStarter]: At program point L783-4(lines 768 786) the Hoare annotation is: false [2019-11-19 18:57:47,807 INFO L440 ceAbstractionStarter]: At program point L783-5(lines 768 786) the Hoare annotation is: false [2019-11-19 18:57:47,808 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-19 18:57:47,808 INFO L440 ceAbstractionStarter]: At program point L91(lines 86 94) the Hoare annotation is: false [2019-11-19 18:57:47,808 INFO L440 ceAbstractionStarter]: At program point L91-1(lines 86 94) the Hoare annotation is: (let ((.cse0 (<= 2 ~waterLevel~0)) (.cse1 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse2 (= ULTIMATE.start_main_~tmp~10 1)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (not (= 0 ~systemActive~0))) (.cse5 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (and .cse1 .cse2 (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse3 .cse4 .cse5 (= 1 ~methaneLevelCritical~0))) (and .cse0 (and .cse1 .cse2 (= 0 ~methaneLevelCritical~0) (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse3 .cse4 .cse5)))) [2019-11-19 18:57:47,808 INFO L440 ceAbstractionStarter]: At program point L91-2(lines 86 94) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse5 (<= 1 ~waterLevel~0)) (.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= ULTIMATE.start_main_~tmp~10 1)) (.cse6 (= 0 ~methaneLevelCritical~0)) (.cse7 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse3 (not (= 0 ~systemActive~0))) (.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (and (and .cse0 .cse1 .cse2 .cse3 .cse4) (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) (= 1 ~methaneLevelCritical~0)) .cse5) (and (and .cse0 .cse1 .cse6 .cse7 .cse2 .cse3 .cse4) .cse5) (and (and .cse0 .cse1 .cse6 .cse7 .cse3 .cse4) (<= 2 ~waterLevel~0)))) [2019-11-19 18:57:47,809 INFO L440 ceAbstractionStarter]: At program point L91-3(lines 86 94) the Hoare annotation is: false [2019-11-19 18:57:47,809 INFO L440 ceAbstractionStarter]: At program point L91-4(lines 86 94) the Hoare annotation is: false [2019-11-19 18:57:47,809 INFO L440 ceAbstractionStarter]: At program point L91-5(lines 86 94) the Hoare annotation is: false [2019-11-19 18:57:47,809 INFO L440 ceAbstractionStarter]: At program point L91-6(lines 86 94) the Hoare annotation is: false [2019-11-19 18:57:47,809 INFO L440 ceAbstractionStarter]: At program point L91-7(lines 86 94) the Hoare annotation is: false [2019-11-19 18:57:47,810 INFO L440 ceAbstractionStarter]: At program point L91-8(lines 86 94) the Hoare annotation is: false [2019-11-19 18:57:47,810 INFO L440 ceAbstractionStarter]: At program point L719(lines 712 722) the Hoare annotation is: false [2019-11-19 18:57:47,810 INFO L440 ceAbstractionStarter]: At program point L719-1(lines 712 722) the Hoare annotation is: (let ((.cse5 (<= 2 ~waterLevel~0)) (.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= ULTIMATE.start_main_~tmp~10 1)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (not (= 0 ~systemActive~0))) (.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (and .cse0 .cse1 (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse2 (= 1 |ULTIMATE.start_isMethaneAlarm_#res|) .cse3 .cse4 (= 1 ~methaneLevelCritical~0)) .cse5) (and .cse5 (and .cse0 .cse1 (= 0 ~methaneLevelCritical~0) (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse2 .cse3 .cse4)))) [2019-11-19 18:57:47,810 INFO L440 ceAbstractionStarter]: At program point L719-2(lines 712 722) the Hoare annotation is: false [2019-11-19 18:57:47,811 INFO L440 ceAbstractionStarter]: At program point L719-3(lines 712 722) the Hoare annotation is: false [2019-11-19 18:57:47,811 INFO L440 ceAbstractionStarter]: At program point L719-4(lines 712 722) the Hoare annotation is: false [2019-11-19 18:57:47,811 INFO L440 ceAbstractionStarter]: At program point L719-5(lines 712 722) the Hoare annotation is: false [2019-11-19 18:57:47,811 INFO L447 ceAbstractionStarter]: At program point L985(lines 966 988) the Hoare annotation is: true [2019-11-19 18:57:47,811 INFO L440 ceAbstractionStarter]: At program point L952(lines 948 954) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= ULTIMATE.start_main_~tmp~10 1) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)) (= 0 ~methAndRunningLastTime~0)) [2019-11-19 18:57:47,812 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-19 18:57:47,812 INFO L440 ceAbstractionStarter]: At program point L888(lines 883 891) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)) (= 0 ~methAndRunningLastTime~0)) [2019-11-19 18:57:47,812 INFO L440 ceAbstractionStarter]: At program point L822(lines 817 824) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= ULTIMATE.start_main_~tmp~10 1) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)) (= 0 ~methAndRunningLastTime~0)) [2019-11-19 18:57:47,812 INFO L444 ceAbstractionStarter]: For program point L657(lines 657 674) no Hoare annotation was computed. [2019-11-19 18:57:47,812 INFO L444 ceAbstractionStarter]: For program point L657-1(lines 657 674) no Hoare annotation was computed. [2019-11-19 18:57:47,813 INFO L444 ceAbstractionStarter]: For program point L657-2(lines 657 674) no Hoare annotation was computed. [2019-11-19 18:57:47,813 INFO L444 ceAbstractionStarter]: For program point L560(lines 560 573) no Hoare annotation was computed. [2019-11-19 18:57:47,813 INFO L444 ceAbstractionStarter]: For program point L131(lines 131 137) no Hoare annotation was computed. [2019-11-19 18:57:47,813 INFO L444 ceAbstractionStarter]: For program point L131-1(lines 131 137) no Hoare annotation was computed. [2019-11-19 18:57:47,813 INFO L444 ceAbstractionStarter]: For program point L131-2(lines 131 137) no Hoare annotation was computed. [2019-11-19 18:57:47,814 INFO L444 ceAbstractionStarter]: For program point L131-3(lines 131 137) no Hoare annotation was computed. [2019-11-19 18:57:47,814 INFO L444 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-19 18:57:47,814 INFO L444 ceAbstractionStarter]: For program point L131-4(lines 131 137) no Hoare annotation was computed. [2019-11-19 18:57:47,814 INFO L444 ceAbstractionStarter]: For program point L131-5(lines 131 137) no Hoare annotation was computed. [2019-11-19 18:57:47,814 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 994) no Hoare annotation was computed. [2019-11-19 18:57:47,815 INFO L444 ceAbstractionStarter]: For program point L66(lines 66 70) no Hoare annotation was computed. [2019-11-19 18:57:47,815 INFO L444 ceAbstractionStarter]: For program point L694(lines 694 700) no Hoare annotation was computed. [2019-11-19 18:57:47,815 INFO L444 ceAbstractionStarter]: For program point L661(lines 661 669) no Hoare annotation was computed. [2019-11-19 18:57:47,815 INFO L444 ceAbstractionStarter]: For program point L694-2(lines 694 700) no Hoare annotation was computed. [2019-11-19 18:57:47,815 INFO L444 ceAbstractionStarter]: For program point L661-1(lines 661 669) no Hoare annotation was computed. [2019-11-19 18:57:47,816 INFO L444 ceAbstractionStarter]: For program point L661-2(lines 661 669) no Hoare annotation was computed. [2019-11-19 18:57:47,816 INFO L444 ceAbstractionStarter]: For program point L694-4(lines 694 700) no Hoare annotation was computed. [2019-11-19 18:57:47,816 INFO L444 ceAbstractionStarter]: For program point L694-6(lines 694 700) no Hoare annotation was computed. [2019-11-19 18:57:47,816 INFO L444 ceAbstractionStarter]: For program point L694-8(lines 694 700) no Hoare annotation was computed. [2019-11-19 18:57:47,816 INFO L444 ceAbstractionStarter]: For program point L694-10(lines 694 700) no Hoare annotation was computed. [2019-11-19 18:57:47,817 INFO L440 ceAbstractionStarter]: At program point L728(lines 723 731) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= ULTIMATE.start_main_~tmp~10 1) (= |ULTIMATE.start_isPumpRunning_#res| 0) (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) (<= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)) (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 1 ~methaneLevelCritical~0)) [2019-11-19 18:57:47,817 INFO L440 ceAbstractionStarter]: At program point L728-1(lines 723 731) the Hoare annotation is: false [2019-11-19 18:57:47,817 INFO L440 ceAbstractionStarter]: At program point L728-2(lines 723 731) the Hoare annotation is: false [2019-11-19 18:57:47,880 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 06:57:47 BoogieIcfgContainer [2019-11-19 18:57:47,881 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-19 18:57:47,881 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-19 18:57:47,882 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-19 18:57:47,882 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-19 18:57:47,883 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 06:57:33" (3/4) ... [2019-11-19 18:57:47,887 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-19 18:57:47,908 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-11-19 18:57:47,910 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2019-11-19 18:57:47,911 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-11-19 18:57:47,913 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-19 18:57:47,914 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-19 18:57:47,915 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-19 18:57:47,952 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\result == 1 && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == methAndRunningLastTime [2019-11-19 18:57:47,952 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == 1 && tmp == 1) && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == methAndRunningLastTime [2019-11-19 18:57:47,952 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == 1 && tmp == 1) && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == methAndRunningLastTime [2019-11-19 18:57:47,953 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((\result == 1 && tmp == 0) && tmp == 1) && 0 == methaneLevelCritical) && 2 <= waterLevel) && 0 == \result) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) || ((((1 == \result && (((\result == 1 && tmp == 1) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 1 <= waterLevel) && 0 == methAndRunningLastTime)) || (((\result == 1 && tmp == 1) && (((0 == methaneLevelCritical && 1 == waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) [2019-11-19 18:57:47,953 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((\result == 1 && tmp == 0) && tmp == 1) && 0 == methaneLevelCritical) && 2 <= waterLevel) && 0 == \result) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) || ((((1 == \result && (((\result == 1 && tmp == 1) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 1 <= waterLevel) && 0 == methAndRunningLastTime)) || (((tmp == 1 && (((\result == 1 && 0 == methaneLevelCritical) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) && 1 <= waterLevel) [2019-11-19 18:57:47,954 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((\result == 1 && tmp == 1) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) && 1 <= waterLevel) || (2 <= waterLevel && (((\result == 1 && tmp == 1) && 0 == methaneLevelCritical) && !(0 == systemActive)) && 0 == splverifierCounter)) || (2 <= waterLevel && ((((\result == 1 && tmp == 1) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime)) || (((((((\result == 1 && tmp == 1) && 0 == methaneLevelCritical) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 <= waterLevel) && 0 == methAndRunningLastTime) [2019-11-19 18:57:47,955 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((\result == 1 && tmp == 1) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) && 1 <= waterLevel) || (2 <= waterLevel && (((\result == 1 && tmp == 1) && 0 == methaneLevelCritical) && !(0 == systemActive)) && 0 == splverifierCounter)) || (2 <= waterLevel && ((((\result == 1 && tmp == 1) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime)) || (((((((\result == 1 && tmp == 1) && 0 == methaneLevelCritical) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 <= waterLevel) && 0 == methAndRunningLastTime) [2019-11-19 18:57:47,955 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((\result == 1 && tmp == 1) && 0 == methaneLevelCritical) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 <= waterLevel) || ((((((\result == 1 && tmp == 1) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 1 <= waterLevel)) || ((((((\result == 1 && tmp == 1) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) && 1 <= waterLevel) [2019-11-19 18:57:47,956 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((\result == 1 && tmp == 1) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 1 <= waterLevel) || (2 <= waterLevel && (((\result == 1 && tmp == 1) && 0 == methaneLevelCritical) && !(0 == systemActive)) && 0 == splverifierCounter)) || ((((((\result == 1 && tmp == 1) && 0 == methaneLevelCritical) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 <= waterLevel) [2019-11-19 18:57:47,957 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((\result == 1 && tmp == 1) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == \result) && 1 == methaneLevelCritical) && 1 <= waterLevel) || (((((((\result == 1 && tmp == 1) && 0 == methaneLevelCritical) && 0 == \result) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 <= waterLevel)) || ((((((\result == 1 && tmp == 1) && 0 == methaneLevelCritical) && 0 == \result) && !(0 == systemActive)) && 0 == splverifierCounter) && 2 <= waterLevel) [2019-11-19 18:57:47,958 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((\result == 1 && tmp == 1) && 0 == methaneLevelCritical) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == \result) && 1 <= waterLevel) || (((((((\result == 1 && tmp == 1) && 0 == \result) && 1 <= waterLevel) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) [2019-11-19 18:57:47,959 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 <= waterLevel && (((((\result == 1 && \result == 1) && tmp == 1) && pumpRunning == 0) && !(0 == systemActive)) && 1 == methaneLevelCritical) && 0 == splverifierCounter) || (2 <= waterLevel && ((((\result == 1 && tmp == 1) && pumpRunning == 0) && !(0 == systemActive)) && 1 == methaneLevelCritical) && 0 == splverifierCounter)) || (2 <= waterLevel && ((((\result == 1 && tmp == 1) && 0 == methaneLevelCritical) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter)) || ((\result == 1 && ((((\result == 1 && tmp == 1) && 0 == methaneLevelCritical) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 <= waterLevel) [2019-11-19 18:57:47,959 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((\result == 1 && tmp == 1) && \result == 0) && 1 == \result) && 1 <= waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical [2019-11-19 18:57:47,960 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((\result == 1 && 0 == tmp) && !(0 == \result)) && tmp == 1) && 0 == \result) && !(0 == tmp___0)) && 1 <= waterLevel) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) || (((0 == tmp && (!(0 == \result) && !(0 == tmp___0)) && (((\result == 1 && tmp == 1) && 0 == methaneLevelCritical) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == \result) && 1 <= waterLevel) [2019-11-19 18:57:47,960 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((2 <= waterLevel && ((((\result == 1 && tmp == 1) && pumpRunning == 0) && !(0 == systemActive)) && 1 == methaneLevelCritical) && 0 == splverifierCounter) || ((((((((0 == \result && \result == 1) && tmp == 1) && 0 == tmp___0) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 1 <= waterLevel)) || (2 <= waterLevel && ((((\result == 1 && tmp == 1) && 0 == methaneLevelCritical) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter)) || (1 <= waterLevel && (0 == \result && ((((\result == 1 && tmp == 1) && 0 == methaneLevelCritical) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == tmp___0) [2019-11-19 18:57:47,962 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (2 <= waterLevel && (((((\result == 1 && tmp == 1) && 1 == \result) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) || (2 <= waterLevel && (((((\result == 1 && tmp == 1) && 0 == methaneLevelCritical) && 0 == \result) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) [2019-11-19 18:57:47,963 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((\result == 1 && tmp == 1) && 1 == \result) && pumpRunning == 0) && 1 == \result) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 2 <= waterLevel) || (2 <= waterLevel && (((((\result == 1 && tmp == 1) && 0 == methaneLevelCritical) && 0 == \result) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) [2019-11-19 18:57:48,076 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-19 18:57:48,076 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-19 18:57:48,078 INFO L168 Benchmark]: Toolchain (without parser) took 15952.24 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 404.2 MB). Free memory was 956.3 MB in the beginning and 1.4 GB in the end (delta: -427.8 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 18:57:48,078 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 18:57:48,079 INFO L168 Benchmark]: CACSL2BoogieTranslator took 683.12 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 159.9 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -185.3 MB). Peak memory consumption was 31.6 MB. Max. memory is 11.5 GB. [2019-11-19 18:57:48,079 INFO L168 Benchmark]: Boogie Procedure Inliner took 92.04 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2019-11-19 18:57:48,080 INFO L168 Benchmark]: Boogie Preprocessor took 54.55 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 18:57:48,080 INFO L168 Benchmark]: RCFGBuilder took 1040.07 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 76.1 MB). Peak memory consumption was 76.1 MB. Max. memory is 11.5 GB. [2019-11-19 18:57:48,080 INFO L168 Benchmark]: TraceAbstraction took 13882.46 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 244.3 MB). Free memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: -335.9 MB). Peak memory consumption was 461.6 MB. Max. memory is 11.5 GB. [2019-11-19 18:57:48,081 INFO L168 Benchmark]: Witness Printer took 194.87 ms. Allocated memory is still 1.4 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 11.5 GB. [2019-11-19 18:57:48,083 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 683.12 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 159.9 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -185.3 MB). Peak memory consumption was 31.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 92.04 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 54.55 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1040.07 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 76.1 MB). Peak memory consumption was 76.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 13882.46 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 244.3 MB). Free memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: -335.9 MB). Peak memory consumption was 461.6 MB. Max. memory is 11.5 GB. * Witness Printer took 194.87 ms. Allocated memory is still 1.4 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 994]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 994]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 994]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: (2 <= waterLevel && (((((\result == 1 && tmp == 1) && 1 == \result) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) || (2 <= waterLevel && (((((\result == 1 && tmp == 1) && 0 == methaneLevelCritical) && 0 == \result) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) - InvariantResult [Line: 141]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 883]: Loop Invariant Derived loop invariant: ((((\result == 1 && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == methAndRunningLastTime - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 141]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 598]: Loop Invariant Derived loop invariant: ((((((\result == 1 && tmp == 1) && 0 == methaneLevelCritical) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 <= waterLevel) || ((((((\result == 1 && tmp == 1) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 1 <= waterLevel)) || ((((((\result == 1 && tmp == 1) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) && 1 <= waterLevel) - InvariantResult [Line: 141]: Loop Invariant Derived loop invariant: ((((((\result == 1 && tmp == 1) && 0 == methaneLevelCritical) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == \result) && 1 <= waterLevel) || (((((((\result == 1 && tmp == 1) && 0 == \result) && 1 <= waterLevel) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) - InvariantResult [Line: 817]: Loop Invariant Derived loop invariant: (((((\result == 1 && tmp == 1) && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == methAndRunningLastTime - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((((\result == 1 && tmp == 0) && tmp == 1) && 0 == methaneLevelCritical) && 2 <= waterLevel) && 0 == \result) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) || ((((1 == \result && (((\result == 1 && tmp == 1) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 1 <= waterLevel) && 0 == methAndRunningLastTime)) || (((\result == 1 && tmp == 1) && (((0 == methaneLevelCritical && 1 == waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) - InvariantResult [Line: 598]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: ((((((((\result == 1 && tmp == 1) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == \result) && 1 == methaneLevelCritical) && 1 <= waterLevel) || (((((((\result == 1 && tmp == 1) && 0 == methaneLevelCritical) && 0 == \result) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 <= waterLevel)) || ((((((\result == 1 && tmp == 1) && 0 == methaneLevelCritical) && 0 == \result) && !(0 == systemActive)) && 0 == splverifierCounter) && 2 <= waterLevel) - InvariantResult [Line: 976]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 768]: Loop Invariant Derived loop invariant: (((2 <= waterLevel && ((((\result == 1 && tmp == 1) && pumpRunning == 0) && !(0 == systemActive)) && 1 == methaneLevelCritical) && 0 == splverifierCounter) || ((((((((0 == \result && \result == 1) && tmp == 1) && 0 == tmp___0) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 1 <= waterLevel)) || (2 <= waterLevel && ((((\result == 1 && tmp == 1) && 0 == methaneLevelCritical) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter)) || (1 <= waterLevel && (0 == \result && ((((\result == 1 && tmp == 1) && 0 == methaneLevelCritical) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == tmp___0) - InvariantResult [Line: 723]: Loop Invariant Derived loop invariant: (((((((\result == 1 && tmp == 1) && \result == 0) && 1 == \result) && 1 <= waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 768]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 529]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 723]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 768]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: (((1 <= waterLevel && (((((\result == 1 && \result == 1) && tmp == 1) && pumpRunning == 0) && !(0 == systemActive)) && 1 == methaneLevelCritical) && 0 == splverifierCounter) || (2 <= waterLevel && ((((\result == 1 && tmp == 1) && pumpRunning == 0) && !(0 == systemActive)) && 1 == methaneLevelCritical) && 0 == splverifierCounter)) || (2 <= waterLevel && ((((\result == 1 && tmp == 1) && 0 == methaneLevelCritical) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter)) || ((\result == 1 && ((((\result == 1 && tmp == 1) && 0 == methaneLevelCritical) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 <= waterLevel) - InvariantResult [Line: 723]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 768]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 768]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 904]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 768]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 966]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 948]: Loop Invariant Derived loop invariant: (((((\result == 1 && tmp == 1) && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == methAndRunningLastTime - InvariantResult [Line: 787]: Loop Invariant Derived loop invariant: (((((((((\result == 1 && 0 == tmp) && !(0 == \result)) && tmp == 1) && 0 == \result) && !(0 == tmp___0)) && 1 <= waterLevel) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) || (((0 == tmp && (!(0 == \result) && !(0 == tmp___0)) && (((\result == 1 && tmp == 1) && 0 == methaneLevelCritical) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == \result) && 1 <= waterLevel) - InvariantResult [Line: 787]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 599]: Loop Invariant Derived loop invariant: (((((((((\result == 1 && tmp == 1) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) && 1 <= waterLevel) || (2 <= waterLevel && (((\result == 1 && tmp == 1) && 0 == methaneLevelCritical) && !(0 == systemActive)) && 0 == splverifierCounter)) || (2 <= waterLevel && ((((\result == 1 && tmp == 1) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime)) || (((((((\result == 1 && tmp == 1) && 0 == methaneLevelCritical) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 <= waterLevel) && 0 == methAndRunningLastTime) - InvariantResult [Line: 787]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 550]: Loop Invariant Derived loop invariant: (((((((((\result == 1 && tmp == 1) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) && 1 <= waterLevel) || (2 <= waterLevel && (((\result == 1 && tmp == 1) && 0 == methaneLevelCritical) && !(0 == systemActive)) && 0 == splverifierCounter)) || (2 <= waterLevel && ((((\result == 1 && tmp == 1) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime)) || (((((((\result == 1 && tmp == 1) && 0 == methaneLevelCritical) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 <= waterLevel) && 0 == methAndRunningLastTime) - InvariantResult [Line: 712]: Loop Invariant Derived loop invariant: ((((((((\result == 1 && tmp == 1) && 1 == \result) && pumpRunning == 0) && 1 == \result) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 2 <= waterLevel) || (2 <= waterLevel && (((((\result == 1 && tmp == 1) && 0 == methaneLevelCritical) && 0 == \result) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) - InvariantResult [Line: 712]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 712]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 712]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 712]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 598]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: (((((((\result == 1 && tmp == 1) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 1 <= waterLevel) || (2 <= waterLevel && (((\result == 1 && tmp == 1) && 0 == methaneLevelCritical) && !(0 == systemActive)) && 0 == splverifierCounter)) || ((((((\result == 1 && tmp == 1) && 0 == methaneLevelCritical) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 <= waterLevel) - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 540]: Loop Invariant Derived loop invariant: (((((((((\result == 1 && tmp == 0) && tmp == 1) && 0 == methaneLevelCritical) && 2 <= waterLevel) && 0 == \result) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) || ((((1 == \result && (((\result == 1 && tmp == 1) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 1 <= waterLevel) && 0 == methAndRunningLastTime)) || (((tmp == 1 && (((\result == 1 && 0 == methaneLevelCritical) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) && 1 <= waterLevel) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((0 == methaneLevelCritical && 1 == waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == methAndRunningLastTime - InvariantResult [Line: 712]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 139 locations, 3 error locations. Result: SAFE, OverallTime: 13.7s, OverallIterations: 15, TraceHistogramMax: 3, AutomataDifference: 1.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 8.9s, HoareTripleCheckerStatistics: 1697 SDtfs, 2199 SDslu, 2568 SDs, 0 SdLazy, 369 SolverSat, 68 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 186 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=274occurred in iteration=14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 15 MinimizatonAttempts, 1549 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 56 LocationsWithAnnotation, 56 PreInvPairs, 189 NumberOfFragments, 1208 HoareAnnotationTreeSize, 56 FomulaSimplifications, 3178212 FormulaSimplificationTreeSizeReduction, 2.7s HoareSimplificationTime, 56 FomulaSimplificationsInter, 519758 FormulaSimplificationTreeSizeReductionInter, 6.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 738 NumberOfCodeBlocks, 738 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 722 ConstructedInterpolants, 0 QuantifiedInterpolants, 76723 SizeOfPredicates, 1 NumberOfNonLiveVariables, 497 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 16 InterpolantComputations, 14 PerfectInterpolantSequences, 211/237 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...